Respuesta :

Answer:

b -algae

Explanation:

The most common producers in aquatic ecosystems are the algae. They are called phytoplanktons.

  • In the food web and food chain of aquatic ecosystems, they usually set out with the algae.
  • These algae are called phytoplanktons.
  • They are the producers in all aquatic ecosystem.
  • Phytoplanktons consists of algae and cyanobacteria.
  • Just like plants on land, phytoplanktons manufacture food in an aquatic ecosystem.